Description Features: brand new and high quality 4-Port SATA III PCI-e Version 2, PCI-E x4 Bus Type Slot Controller Card, HyperDuo, Software for RAID. Ports: 4 internal 6Gb / s SATA ports. Complies with pci-express v2.0 specification and is for pci-express v1.0. Complies with Serial ATA 3.0 specification. The pci-express x4 interface (for selected models) is for pci-express x4, x8 and x16 slots. Supports communication speeds of 6.0 Gbps, 3.0 Gbps, and 1.5 Gbps. Hot plug and hot swap. Supports Native Command Queue (NCQ). Supports port multiplier FIS-based switching or command-based switching. for SATA 6G, 3G and 1.5G hard drives. for RAID function:Stripe for RAID 0 (stripe size: 32K, 64K).for RAID 1-Disk Mirror.for RAID 10-Mirror Stripe (Stripe Size: 32K, 64K).HyoperDuo Safe (mirrored for protection) or capacity-cost (optimized)Note: it does not support for RAID in PM. Software RE-Equipment:Windows XP / Vista / 7/8/10, for Windows Server 2003, 2008, 2008 R2, Linux 2.6. x and higher (AHCI device driver is a built-in feature). Specifications: Product Name: PCIE SATA for Raid Controller Material: ABS Colour: Black Chip: 88SE9230 Interface rate: 6Gbps Bus interface: Pci-express 4.0 X4 X8 X16 Connector: 4 x SATA Size: approx. 85x65x15mm/3.35x2.56x0.59in Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1PC x PCI for Express to 4-Port SATA3.0 for Raid Controller 1PC x Low Profile Bracket 1PC x Driver CD